CN107257444A - A kind of HPI adaptive approach and device - Google Patents
A kind of HPI adaptive approach and device Download PDFInfo
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- CN107257444A CN107257444A CN201710318936.2A CN201710318936A CN107257444A CN 107257444 A CN107257444 A CN 107257444A CN 201710318936 A CN201710318936 A CN 201710318936A CN 107257444 A CN107257444 A CN 107257444A
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- expander
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- product information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Circuits (AREA)
- Television Systems (AREA)
Abstract
The invention discloses a kind of HPI adaptive approach and device, method includes：The product information and unique designation code of all expanders are obtained, and the product information of each expander and its unique designation code are bound；By the expander access host arbitrary port, according to the product information of expander and the identification code of the self-defined each expander of generation of unique designation code, and by the identity assignments into corresponding expander, identification code is bound with the unique designation code of corresponding expander；The attribute of each expander is judged according to the identification code of each expander, the attribute of each expander keeps constant during the expander access host all of the port, the attribute of the expander is inputted or vision signal output for vision signal.The present invention can realize that user according to demand will not change the arbitrary port of main frame as input or output, and set signal connection, reciprocity without input and output quantity.
Description
Technical field
The present invention relates to interface identification technology field, more particularly to a kind of HPI adaptive approach and device.
Background technology
Video matrix switcher is the high-performance smart matrix equipment designed exclusively for the switching of vision signal, with can
The multi-channel video input of extension, multi-channel video output.Video matrix switcher, supports fixed input and output, such as 32 on the market
Enter 32 to go out and (support 32 road signal inputs and 32 tunnel signal outputs).When main frame passage in the case of certain amount (such as
64), input and output quantity has been fixed, input quantity or output quantity exceed quantity, input quantity or output quantity without
Extended capability, can only change the main frame of bigger input and output quantity, increase follow-up operation cost.Abandon video matrix switcher defeated
Enter or when output port goes wrong, not only to change port, and need to change configuration by main frame and could recover original
There is signal, this emergency processing is wasted time and energy.
The content of the invention
In order to overcome the deficiencies in the prior art, an object of the present invention is to provide a kind of HPI adaptively side
Method, it can not waste host port, and all of the port adaptive can should be input or export.
The second object of the present invention is to provide a kind of HPI self-reacting device, its can realize the purpose of the present invention it
One.
An object of the present invention is realized using following technical scheme：
A kind of HPI adaptive approach, comprises the following steps：
S1：Obtain the product information and unique designation code of all expanders；
S2：By the expander access host arbitrary port, made by oneself according to the product information of expander and unique designation code
The identification code of each expander of justice generation, and by the identity assignments into corresponding expander, the identification code with it is corresponding
The unique designation code of expander and product information binding storage；
S3：The attribute of each expander is judged according to the identification code of each expander, the attribute of each expander is in the expansion
Keep constant during exhibition device access host all of the port, the attribute of the expander is inputted or video letter for vision signal
Number output, wherein, vision signal input expander be input expander, vision signal output expander for output extend
Device.
It is preferred that, the product information includes model, the software version number of input expander and output expander.
The second object of the present invention is realized using following technical scheme：
A kind of HPI self-reacting device, including such as lower unit：
Acquiring unit：Product information and unique designation code for obtaining all expanders；
Access unit：For by the expander access host arbitrary port, according to the product information of expander and uniquely
The identification code of the self-defined each expander of generation of identity code, and by the identity assignments into corresponding expander, it is described to know
Other code is stored with the unique designation code of corresponding expander and product information binding；
Transmission unit：Attribute for judging each expander according to the identification code of each expander, each expander
Attribute keeps constant during the expander access host all of the port, and the attribute of the expander is defeated for vision signal
Enter or vision signal output, wherein, the expander of vision signal input is input expander, and the expander of vision signal output is
Output expander.
It is preferred that, the product information includes model, the software version number of input expander and output expander.
Compared with prior art, the beneficial effects of the present invention are：
The present invention can realize user according to demand by the arbitrary port of main frame as input or output, and remember extension
The linking relationship of device, without input and output quantity equity, signal transmission more facilitates, and host port utilization rate is higher.
Brief description of the drawings
Fig. 1 is a kind of flow chart of HPI adaptive approach of the present invention.
Fig. 2 is the structure chart of the input expander of the present invention.
Fig. 3 is the structure chart of the output expander of the present invention.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further：
Shown in Figure 1, the present invention provides a kind of HPI adaptive approach, and the main frame is for example attended a banquet cooperation management
Main frame, can be applied on video switching apparatus, it is possible to achieve input multiple-channel output all the way or multichannel input is exported all the way.Tool
For body, the present invention comprises the following steps：
S1：Obtain the product information and unique designation code of all expanders；
Each expander has unique designation code, and unique designation code passes through as a status symbol of expander
Unique designation code can find model, version number of software product of hardware product of corresponding expander etc., and can be with
The licensing scheme of more preferable software is realized, configuration and the input expander for accessing main frame can also be limited using unique designation code
Corresponding computer/server, so as to improve the security of system.Expander mentioned here includes input expander and output is expanded
Device is opened up, input expander is all connected with output expander with main frame.Expander itself all possesses processor, static memory, can compiled
Journey logical device etc., when the present invention applied to video interface transmits this field, expander has been also equipped with image interface chip, regarded
The input of frequency signaling interface or the output of video signal interface, these modules composition enable expander to set up logical with main frame
News.As shown in Fig. 2 input expander includes FPGA (i.e. above-mentioned PLD), configuration chip, MCU, image interface core
Piece, video signal input module, static memory module, memory modules, network interface and USB interactive units, video signal input module
It is connected by image interface chip with FPGA, configuration chip is connected by MCU with FPGA, and static memory module is interacted by USB
Unit is connected with FPGA, and memory modules and network interface are connected with FPGA.Equally, as shown in figure 3, output expander includes FPGA
(i.e. above-mentioned PLD), configuration chip, MCU, image interface chip, vision signal output module, static memory mould
Block, memory modules, network interface and USB interactive units, vision signal output module are connected by image interface chip with FPGA, configuration
Chip is connected by MCU with FPGA, and static memory module is connected by USB interactive units with FPGA, and memory modules and network interface are equal
It is connected with FPGA.
In this step, main frame is previously stored with the product information of various expanders, product information and unique designation code binding
Equivalent to that is product information and the unique designation code of each expander are corresponded, formation maps, correspondingly in main frame
Relation, the product information of the expander can be obtained immediately by unique designation code.
S2：By the expander access host arbitrary port, made by oneself according to the product information of expander and unique designation code
The identification code of each expander of justice generation, and by the identity assignments into corresponding expander, the identification code with it is corresponding
The unique designation code of expander and product information binding storage；
When input expander, output expander and host communication, their unique designation code of main opportunity identification, you can know
Other input expander, the model of output expander, version number's (namely product information) of software product, divide automatically after identification
With the identification code defined to input expander, output expander, signify as its identification exchanged with main frame, and it is main
Machine self-defined distribute can store the identification code after identification code, and to unique designation code the related binding of progress.In this step,
The situation of newly-increased expander is included, that is to say, that when there is newly-increased expander, has been also first self-defined generation identification
Code.Namely during insertion, judge whether to need to redistribute identification code by the unique designation code of expander.
S3：The attribute of each expander is judged according to the identification code of each expander, the attribute of each expander is in the expansion
Keep constant during exhibition device access host all of the port, the attribute of the expander is vision signal input video or letter
Number output, wherein, vision signal input expander be input expander, vision signal output expander for output extend
Device.
In this step, after the attribute for judging each expander, a transmission conditions are actually also needed to, according to transmission bar
Part, that is, relation is established the link, video link and control link are set up automatically.It is the defeated of the expander that signal is inputted by attribute
Enter signal and transmit to corresponding attribute and exported for the expander of signal output.
It is 1001 for example to the customized identification code of one of input expander, it is customized to an output expander
Identification code is 3001, and a customized identification code of output expander is 3002, it is assumed that transmission conditions 1001 identification code it is defeated
Enter expander 3001 and 3,002 two output expanders of correspondence, then the signal that input expander is inputted is after main frame, main frame
Distribute to 3001 and 3,002 two output expanders, realize input two-way output all the way.It is of course possible to be the output of more multichannel,
It can also be that multichannel input correspondence multiple-channel output or multichannel input correspondence are exported all the way, merely just illustrate, be not to hair
Bright done restriction.The all of the port of main frame realizes that X roads are inputted, the output of Y roads, and X and Y numerical value can be distributed arbitrarily.
In this way, port all on main frame adaptive can should be input port or output port, support to appoint
What irregular main frame configuration, without requiring that the quantity of output port of main frame is equal with the quantity of input port, input with it is defeated
The combination gone out is more arbitrarily and conveniently.
And when disconnection expander, and when accessing the defeated expander again, the expander is according to its attribute and original biography
Defeated condition carries out signal transmission.
For example when identification code connects a ports of main frame for 1001 input expander, disconnect the input expander and a ports
Connection, and the input expander is connected to the b ports of main frame, main frame is according to the identification code and unique mark of the input expander
Will code, is compared with having stored in identification code and the unique designation of binding code in main frame, if it find that in the presence of consistent knowledge
Other code and unique designation code, then the connection status before can recovering immediately, that is, if the input expander is in a ports before
It is 3001 output expander transmission signal with identification code, when now accessing b ports, the identification code is 1001 during connection
Input expander is still transmitted with the output expander that identification code is 3001 and communicated, and set signal connection will not occur to appoint
What changes, and maintains easily that there is provided product scalability.
On the other hand, the present invention also provides a kind of HPI self-reacting device, corresponding with HPI adaptive approach,
Including acquiring unit, access unit and transmission unit.Wherein, acquiring unit is used for the product information and only for obtaining all expanders
One identity code；Access unit is used for the expander access host arbitrary port, according to the product information of expander and uniquely
The identification code of the self-defined each expander of generation of identity code, and by the identity assignments into corresponding expander, it is described to know
Other code is bound with the unique designation code of corresponding expander；Transmission unit is used to judge each expand according to the identification code of each expander
The attribute of device is opened up, the attribute of each expander keeps constant during the expander access host all of the port, described
The attribute of expander is that vision signal is inputted or vision signal output, wherein, the expander of vision signal input is input expanding
Device, the expander of vision signal output is output expander.
Accordingly, the said goods information also includes model, the software version number of input expander and output expander.But
It is not limited in model and software version number.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (4)
1. a kind of HPI adaptive approach, it is characterised in that comprise the following steps：
S1：Obtain the product information and unique designation code of all expanders；
S2：By the expander access host arbitrary port, according to the product information of expander and the self-defined life of unique designation code
Into the identification code of each expander, and by the identity assignments into corresponding expander, the identification code and corresponding extension
The unique designation code of device and product information binding storage；
S3：The attribute of each expander is judged according to the identification code of each expander, the attribute of each expander is in the expander
Keep constant during access host all of the port, the attribute of the expander is inputted for vision signal or vision signal is defeated
Go out, wherein, the expander of vision signal input is input expander, and the expander of vision signal output is output expander.
2. HPI adaptive approach as claimed in claim 1, it is characterised in that the product information includes input expanding
Model, the software version number of device and output expander.
3. a kind of HPI self-reacting device, it is characterised in that including such as lower unit：
Acquiring unit：Product information and unique designation code for obtaining all expanders；
Access unit：For by the expander access host arbitrary port, according to the product information and unique designation of expander
The identification code of the self-defined each expander of generation of code, and by the identity assignments into corresponding expander, the identification code
Stored with the unique designation code of corresponding expander and product information binding；
Transmission unit：Attribute for judging each expander according to the identification code of each expander, the attribute of each expander
Keep constant during the expander access host all of the port, the attribute of the expander inputted for vision signal or
Vision signal is exported, wherein, the expander of vision signal input is input expander, and the expander of vision signal output is output
Expander.
4. HPI adaptive approach as claimed in claim 3, it is characterised in that the product information includes input expanding
Model, the software version number of device and output expander.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710318936.2A CN107257444B (en) | 2017-05-08 | 2017-05-08 | A kind of host interface adaptive approach and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710318936.2A CN107257444B (en) | 2017-05-08 | 2017-05-08 | A kind of host interface adaptive approach and device |
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| CN107257444A true CN107257444A (en) | 2017-10-17 |
| CN107257444B CN107257444B (en) | 2018-10-09 |
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| CN107257444B (en) | 2018-10-09 |
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